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817538 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

817538: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, material: STEEL COMP 1118 OVERALL, drive_type: SLOTTED, grip_length: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, shank_neck_length: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-625-2496, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
817538
NSN: 4820-00-625-2496
NIINs: 006252496, 013162989
FSC: 4820 — Valves, Nonpowered
CAGE: 1JZ80 — BALCRANK PRODUCTS INC (USA)
SPECIFICATIONS
diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
materialSTEEL COMP 1118 OVERALL
drive_typeSLOTTED
grip_length0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
shank_neck_length0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
turnlock_stud_head_styleFLAT COUNTERSUNK
stud_shank_major_diameter0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4820-00-625-2496
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 817538 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL LENGTH2.741 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
38535Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 817538?
817538 is a STEM,FLUID VALVE.
What parts can replace 817538?
There is 1 known substitute for 817538: 38535. Substitute compatibility should be verified for your specific system.
What is the NSN for 817538?
817538 is cataloged in the U.S. Government catalog under NSN 4820-00-625-2496. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.